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Finding the Fourth Proportional to 12,473.10, 18,700.29 and 7,541.73

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Solution

The fourth proportional to 12,473.10, 18,700.29 and 7,541.73 is: 11,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.10 : 18,700.29 = 7,541.73 : x
  2. Step 2: Convert to fraction form
    12,473.10/18,700.29 = 7,541.73/x
  3. Step 3: Cross multiply
    12,473.10x = 18,700.29 × 7,541.73
  4. Step 4: Simplify right side
    12,473.10x = 141,032,538.10
  5. Step 5: Solve for x
    x = 141,032,538.10/12,473.10
  6. Step 6: Final answer
    x = 11,306.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.